cmd/parca-agent/main.go: Fix default profilingDuration value

Signed-off-by: Jayapriya Pai <[email protected]>

Fixes opensearch-project#104

cmd/parca-agent/main.go

@@ -70,7 +70,7 @@ type flags struct {
 	SystemdUnits       []string          `kong:"help='systemd units to profile on this node.'"`
 	TempDir            string            `kong:"help='Temporary directory path to use for object files.',default='/tmp'"`
 	SocketPath         string            `kong:"help='The filesystem path to the container runtimes socket. Leave this empty to use the defaults.'"`
-	ProfilingDuration  time.Duration     `kong:"help='The agent profiling duration to use. Leave this empty to use the defaults.',default:'10s'"`
+	ProfilingDuration  time.Duration     `kong:"help='The agent profiling duration to use. Leave this empty to use the defaults.',default='10s'"`
 }
 
 func main() {